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  1. ^ Duprey, Jennifer (2014). The Aesthetics of the Ephemeral: Memory Theaters in Contemporary Barcelona. SUNY Press. p. 212. ISBN 978-1-4384-5233-3.
  2. ^ Hensbergen, Gijs van (2013). Guernica: The Biography of a Twentieth-Century Icon. A&C Black. p. 285. ISBN 978-1-4088-4148-8.
  3. ^ George, David (2002). "Els Joglars". In Rodgers, Eamonn (ed.). Encyclopedia of Contemporary Spanish Culture. Routledge. pp. 277–278. ISBN 978-1-134-78859-0.
  4. ^ Markham, James M. (January 2, 1978). "Spaniards, Wary of Army, React Mildly to a Jailing". The New York Times. ISSN 0362-4331.